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a.) Using Earth's estimated cratering rate of Ncum (D > 22.6 km) = 1.8 x 10-15 craters/km2/yr, and a power law exponent b = 1.8 (see your class notes), compute the size of the largest crater likely to have formed in Sweden (area = 450,000 km2) since the formation of its surface rocks -2000 Myr ago. How does this compare to the size of the putative Uppland structure? b.) Calculate the probability that a crater as large as Uppland would have formed in the past 2000 Myr. Note that the largest confirmed crater in Sweden is the 55 km-diameter Siljan structure.

a.) Using Earth's estimated cratering rate of Ncum (D > 22.6 km) = 1.8 x 10-15 craters/km2/yr, and a power law exponent b = 1.8 (see your class notes), compute the size of the largest crater likely to have formed in Sweden (area = 450,000 km2) since the formation of its surface rocks -2000 Myr ago. How does this compare to the size of the putative Uppland structure? b.) Calculate the probability that a crater as large as Uppland would have formed in the past 2000 Myr. Note that the largest confirmed crater in Sweden is the 55 km-diameter Siljan structure.

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a.) Using Earth's estimated cratering rate of Ncum (D > 22.6 km) = 1.8 x 10-15 craters/km2/yr, and a power law exponent b = 1.8 (see your class notes), compute the size of the largest crater likely to have formed in Sweden (area = 450,000 km2) since the formation of its surface rocks -2000 Myr ago. How does this compare to the size of the putative Uppland structure? b.) Calculate the probability that a crater as large as Uppland would have formed in the past 2000 Myr. Note that the largest confirmed crater in Sweden is the 55 km-diameter Siljan structure.
Transcribed Image Text:a.) Using Earth's estimated cratering rate of Ncum (D > 22.6 km) = 1.8 x 10-15 craters/km2/yr, and a power law exponent b = 1.8 (see your class notes), compute the size of the largest crater likely to have formed in Sweden (area = 450,000 km2) since the formation of its surface rocks -2000 Myr ago. How does this compare to the size of the putative Uppland structure? b.) Calculate the probability that a crater as large as Uppland would have formed in the past 2000 Myr. Note that the largest confirmed crater in Sweden is the 55 km-diameter Siljan structure.
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